Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
98825 毛靖平 08大小写转换 C++ Compile Error 0 MS 0 KB 198 2024-11-23 15:12:23

Tests(0/0):

Code:

#include<iostream> using namespace std; int main(){ char a; cin>>a; if(a>='A' && a<='Z'){ cout>>char(a+32); } if(a>='a' && a<='z'){ cout>>char(a-32); } }

Run Info:

Main.cc: In function 'int main()':
Main.cc:7:12: error: no match for 'operator>>' (operand types are 'std::ostream {aka std::basic_ostream}' and 'char')
        cout>>char(a+32);
            ^
Main.cc:7:12: note: candidate: operator>>(int, int) 
Main.cc:7:12: note:   no known conversion for argument 1 from 'std::ostream {aka std::basic_ostream}' to 'int'
In file included from /usr/include/c++/5/string:53:0,
                 from /usr/include/c++/5/bits/locale_classes.h:40,
                 from /usr/include/c++/5/bits/ios_base.h:41,
                 from /usr/include/c++/5/ios:42,
                 from /usr/include/c++/5/ostream:38,
                 from /usr/include/c++/5/iostream:39,
                 from Main.cc:1:
/usr/include/c++/5/bits/basic_string.tcc:1441:5: note: candidate: template std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&)
     operator>>(basic_istream<_CharT, _Traits>& __in,
     ^
/usr/include/c++/5/bits/basic_string.tcc:1441:5: note:   template argument deduction/substitution failed:
Main.cc:7:23: note:   'std::ostream {aka std::basic_ostream}' is not derived from 'std::basic_istream<_CharT, _Traits>'
        cout>>char(a+32);
                       ^
In file included from /usr/include/c++/5/istream:934:0,
                 from /usr/include/c++/5/iostream:40,
                 from Main.cc:1:
/usr/include/c++/5/bits/istream.tcc:955:5: note: candidate: template std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, _CharT2*)
     operator>>(basic_istream<_CharT, _Traits>& __in, _CharT* __s)
     ^
/usr/include/c++/5/bits/istream.tcc:955:5: note:   template argument deduction/substitution failed:
Main.cc:7:23: note:   'std::ostream {aka std::basic_ostream}' is not derived from 'std::basic_istream<_CharT, _Traits>'
        cout>>char(a+32);
                       ^
In file included from /usr/include/c++/5/istream:934:0,
                 from /usr/include/c++/5/iostream:40,
                 from Main.cc:1:
/usr/include/c++/5/bits/istream.tcc:923:5: note: candidate: template std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, _CharT&)
     operator>>(basic_istream<_CharT, _Traits>& __in, _CharT& __c)
     ^
/usr/include/c++/5/bits/istream.tcc:923:5: note:   template argument deduction/substitution failed:
Main.cc:7:23: note:   'std::ostream {aka std::basic_ostream}' is not derived from 'std::basic_istream<_CharT, _Traits>'
        cout>>char(a+32);
                       ^
In file included from /usr/include/c++/5/iostream:40:0,
                 from Main.cc:1:
/usr/include/c++/5/istream:756:5: note: candidate: template std::basic_istream& std::operator>>(std::basic_istream&, unsigned char&)
     operator>>(basic_istream& __in, unsigned char& __c)
     ^
/usr/include/c++/5/istream:756:5: note:   template argument deduction/substitution failed:
Main.cc:7:23: note:   'std::ostream {aka std::basic_ostream}' is not derived from 'std::basic_istream'
        cout>>char(a+32);
                       ^
In file included from /usr/include/c++/5/iostream:40:0,
                 from Main.cc:1:
/usr/include/c++/5/istream:761:5: note: candidate: template std::basic_istream& std::operator>>(std::basic_istream&, signed char&)
     operator>>(basic_istream& __in, signed char& __c)
     ^
/usr/include/c++/5/istream:761:5: note:   template argument deduction/substitution failed:
Main.cc:7:23: note:   'std::ostream {aka std::basic_ostream}' is not derived from 'std::basic_istream'
        cout>>char(a+32);
                       ^
In file included from /usr/include/c++/5/iostream:40:0,
                 from Main.cc:1:
/usr/include/c++/5/istream:803:5: note: candidate: template std::basic_istream& std::operator>>(std::basic_istream&, unsigned char*)
     operator>>(basic_istream& __in, unsigned char* __s)
     ^
/usr/include/c++/5/istream:803:5: note:   template argument deduction/substitution failed:
Main.cc:7:23: note:   'std::ostream {aka std::basic_ostream}' is not derived from 'std::basic_istream'
        cout>>char(a+32);
                       ^
In file included from /usr/include/c++/5/iostream:40:0,
                 from Main.cc:1:
/usr/include/c++/5/istream:808:5: note: candidate: template std::basic_istream& std::operator>>(std::basic_istream&, signed char*)
     operator>>(basic_istream& __in, signed char* __s)
     ^
/usr/include/c++/5/istream:808:5: note:   template argument deduction/substitution failed:
Main.cc:7:23: note:   'std::ostream {aka std::basic_ostream}' is not derived from 'std::basic_istream'
        cout>>char(a+32);
                       ^
In file included from /usr/include/c++/5/iostream:40:0,
                 from Main.cc:1:
/usr/include/c++/5/istream:924:5: note: candidate: template std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&&, _Tp&)
     operator>>(basic_istream<_CharT, _Traits>&& __is, _Tp& __x)
     ^
/usr/include/c++/5/istream:924:5: note:   template argument deduction/substitution failed:
Main.cc:7:23: note:   'std::ostream {aka std::basic_ostream}' is not derived from 'std::basic_istream<_CharT, _Traits>'
        cout>>char(a+32);
                       ^
Main.cc:10:12: error: no match for 'operator>>' (operand types are 'std::ostream {aka std::basic_ostream}' and 'char')
        cout>>char(a-32);
            ^
Main.cc:10:12: note: candidate: operator>>(int, int) 
Main.cc:10:12: note:   no known conversion for argument 1 from 'std::ostream {aka std::basic_ostream}' to 'int'
In file included from /usr/include/c++/5/string:53:0,
                 from /usr/include/c++/5/bits/locale_classes.h:40,
                 from /usr/include/c++/5/bits/ios_base.h:41,
                 from /usr/include/c++/5/ios:42,
                 from /usr/include/c++/5/ostream:38,
                 from /usr/include/c++/5/iostream:39,
                 from Main.cc:1:
/usr/include/c++/5/bits/basic_string.tcc:1441:5: note: candidate: template std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&)
     operator>>(basic_istream<_CharT, _Traits>& __in,
     ^
/usr/include/c++/5/bits/basic_string.tcc:1441:5: note:   template argument deduction/substitution failed:
Main.cc:10:23: note:   'std::ostream {aka std::basic_ostream}' is not derived from 'std::basic_istream<_CharT, _Traits>'
        cout>>char(a-32);
                       ^
In file included from /usr/include/c++/5/istream:934:0,
                 from /usr/include/c++/5/iostream:40,
                 from Main.cc:1:
/usr/include/c++/5/bits/istream.tcc:955:5: note: candidate: template std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, _CharT2*)
     operator>>(basic_istream<_CharT, _Traits>& __in, _CharT* __s)
     ^
/usr/include/c++/5/bits/istream.tcc:955:5: note:   template argument deduction/substitution failed:
Main.cc:10:23: note:   'std::ostream {aka std::basic_ostream}' is not derived from 'std::basic_istream<_CharT, _Traits>'
        cout>>char(a-32);
                       ^
In file included from /usr/include/c++/5/istream:934:0,
                 from /usr/include/c++/5/iostream:40,
                 from Main.cc:1:
/usr/include/c++/5/bits/istream.tcc:923:5: note: candidate: template std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, _CharT&)
     operator>>(basic_istream<_CharT, _Traits>& __in, _CharT& __c)
     ^
/usr/include/c++/5/bits/istream.tcc:923:5: note:   template argument deduction/substitution failed:
Main.cc:10:23: note:   'std::ostream {aka std::basic_ostream}' is not derived from 'std::basic_istream<_CharT, _Traits>'
        cout>>char(a-32);
                       ^
In file included from /usr/include/c++/5/iostream:40:0,
                 from Main.cc:1:
/usr/include/c++/5/istream:756:5: note: candidate: template std::basic_istream& std::operator>>(std::basic_istream&, unsigned char&)
     operator>>(basic_istream& __in, unsigned char& __c)
     ^
/usr/include/c++/5/istream:756:5: note:   template argument deduction/substitution failed:
Main.cc:10:23: note:   'std::ostream {aka std::basic_ostream}' is not derived from 'std::basic_istream'
        cout>>char(a-32);
                       ^
In file included from /usr/include/c++/5/iostream:40:0,
                 from Main.cc:1:
/usr/include/c++/5/istream:761:5: note: candidate: template std::basic_istream& std::operator>>(std::basic_istream&, signed char&)
     operator>>(basic_istream& __in, signed char& __c)
     ^
/usr/include/c++/5/istream:761:5: note:   template argument deduction/substitution failed:
Main.cc:10:23: note:   'std::ostream {aka std::basic_ostream}' is not derived from 'std::basic_istream'
        cout>>char(a-32);
                       ^
In file included from /usr/include/c++/5/iostream:40:0,
                 from Main.cc:1:
/usr/include/c++/5/istream:803:5: note: candidate: template std::basic_istream& std::operator>>(std::basic_istream&, unsigned char*)
     operator>>(basic_istream& __in, unsigned char* __s)
     ^
/usr/include/c++/5/istream:803:5: note:   template argument deduction/substitution failed:
Main.cc:10:23: note:   'std::ostream {aka std::basic_ostream}' is not derived from 'std::basic_istream'
        cout>>char(a-32);
                       ^
In file included from /usr/include/c++/5/iostream:40:0,
                 from Main.cc:1:
/usr/include/c++/5/istream:808:5: note: candidate: template std::basic_istream& std::operator>>(std::basic_istream&, signed char*)
     operator>>(basic_istream& __in, signed char* __s)
     ^
/usr/include/c++/5/istream:808:5: note:   template argument deduction/substitution failed:
Main.cc:10:23: note:   'std::ostream {aka std::basic_ostream}' is not derived from 'std::basic_istream'
        cout>>char(a-32);
                       ^
In file included from /usr/include/c++/5/iostream:40:0,
                 from Main.cc:1:
/usr/include/c++/5/istream:924:5: note: candidate: template std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&&, _Tp&)
     operator>>(basic_istream<_CharT, _Traits>&& __is, _Tp& __x)
     ^
/usr/include/c++/5/istream:924:5: note:   template argument deduction/substitution failed:
Main.cc:10:23: note:   'std::ostream {aka std::basic_ostream}' is not derived from 'std::basic_istream<_CharT, _Traits>'
        cout>>char(a-32);
                       ^